<?xml version="1.0" encoding="utf-8"?>
<selector 
	xmlns:android="http://schemas.android.com/apk/res/android">
	<item 
	android:state_pressed="true"
	android:drawable="@drawable/gebtndown" 
	/>
	<item 
	android:state_enabled="true"
	android:drawable="@drawable/gebtnup" 
	/>
</selector>